| Record No. | Name | No. of Entries |
| 26 | 10-alpha-S-glutathionylmorphine | 1 |
| 27 | 10-Chloroaporphine hydrochloride | 1 |
| 28 | 10-Fluoroaporphine hydrochloride | 1 |
| 29 | 10-HYDROXY-CODEINE | 1 |
| 30 | 10-methylaporphine | 1 |
| 31 | 10-Trifluoromethylaporphine | 1 |
| 32 | 11-hydroxy-N-(n-propyl)noraporphine | 2 |
| 33 | 11-hydroxy-N-allylnoraporphine | 1 |
| 34 | 14-Hydroxymorphine | 1 |
| 35 | 1S,9R-beta-HYDRASTINE | 1 |
| 36 | 2,3,10,11-tetrahydroxyberbine | 1 |
| 37 | 2,3,10-Trimethoxyberbine | 1 |
| 38 | 2,3,9,10-Tetrahydroxyberbine | 1 |
| 39 | 2,4-Dinitrophenylmorphine hydrochloride | 1 |
| 40 | 2-Demethylcolchicine | 1 |
| 41 | 2-demethylthiocolchicine | 1 |
| 42 | 2-fluoro-N-n-propylnorapomorphine | 1 |
| 43 | 2-fluoroapomorphine | 1 |
| 44 | 2-hydroxyapomorphine | 1 |
| 45 | 2-methoxy-N-n-propylnorapomorphine | 1 |
| 46 | 2-methoxyapomorphine | 1 |
| 47 | 3',4'-desoxy-3,4-dihydropapaveroline | 1 |
| 48 | 3'-hydroxypapaverine | 1 |
| 49 | 3,4-dihydropapaverine | 2 |
| 50 | 3,4-Dihydropapaverine oxalate | 1 |